package dump.q69;

import java.util.*;
public class WrappedString {
	private String s;
	public WrappedString(String s) { 
		this.s = s; 
		}
	public static void main(String[] args) {
		HashSet<Object> hs = new HashSet<Object>();
		WrappedString ws1 = new WrappedString("aardvark");
		WrappedString ws2 = new WrappedString("aardvark");
		String s1 = new String("aardvark");
		String s2 = new String("aardvark");
		hs.add(ws1);
		hs.add(ws2);
		hs.add(s1); 
		hs.add(s2);
		HashMap hm = new HashMap();
		hm.put(ws1, s1);
		hm.put(ws2, s1);
		System.out.println(hs.size()); 
	} 
}